18555345

素因数分解:

$3^3\times 5^1\times {\mathrm{137447}}^1$

素因数の和:137461

約数の個数: 16

約数和(自身を含む): 32987520

約数和(自身を除く): 14432175

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137447, 412341, 687235, 1237023, 2061705, 3711069, 6185115, 18555345]

約数ペア:

[(1, 18555345), (3, 6185115), (5, 3711069), (9, 2061705), (15, 1237023), (27, 687235), (45, 412341), (135, 137447)]